56425992 has 128 divisors (see below), whose sum is σ = 178329600. Its totient is φ = 14496768.

The previous prime is 56425981. The next prime is 56426003. The reversal of 56425992 is 29952465.

It is an interprime number because it is at equal distance from previous prime (56425981) and next prime (56426003).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65259 + ... + 66117.

It is an arithmetic number, because the mean of its divisors is an integer number (1393200).

Almost surely, 2^56425992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56425992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89164800).

56425992 is an abundant number, since it is smaller than the sum of its proper divisors (121903608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56425992 is a wasteful number, since it uses less digits than its factorization.

56425992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 911 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 56425992 is about 7511.7236370889. The cubic root of 56425992 is about 383.5538981864.

The spelling of 56425992 in words is "fifty-six million, four hundred twenty-five thousand, nine hundred ninety-two".